Head position demodulating method and magnetic disk device

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United States of America Patent

PATENT NO 9019652
APP PUB NO 20150103435A1
SERIAL NO

14177826

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Abstract

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According to one embodiment, a head position demodulating method and a magnetic disk device switch a demodulation window such that an amplitude of a fundamental wave component of a null-type burst pattern transitions from a decreasing direction to an increasing direction along with an increase in seek speed during demodulation of the null-type burst pattern recorded on a magnetic disk.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kosugi, Tatsuhiko Yokohama, JP 31 280
Mori, Kazunori Machida, JP 58 400
Ooyabu, Hiroshi Fujisawa, JP 2 21

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